How come when i use the repair option in programs and features, afterwards it says " This program did not uninstall correctly". Is it suppose to uninstall my avast when i use the repair option? I ended up selecting “this program uninstalled correctly” even though uninstalling wast my action or intention. Can someone add some input please?
Maybe using the avast! uninstall tool at Safe Mode will help a lot.
And I recommend clean up registry with CCleaner software - in registry may remain some leftovers.
Although I really doubt CCleaner could clean any significant registry key from avast!
It’s a very light registry cleaner (and it should remain like this, otherwise, will bring more problems than good).
After you uninstall avast!, several files remains on computer, and I know that i left something in the registry. Therefore I suggest CCleaner to clean the registry. 
Still no recommendation for ccleaner, but the specific avast uninstall utility, run in safe mode for each avast version 6, 7 the user had previously installed.
- Download the avast! Uninstall Utility, aswClear.exe find it here and save it to your HDD (it has uninstall tools for 5.x, 6.0.x and 7.0.x).
If you uninstall avast! with this utitlity, on registry left one or two keys. Excuse me for my english, I am not professional.
You don’t say what they are, so no one can substantiate what you say.
There are some registry keys such as the legacy keys which are under the control of the OS.
I appreciate the replies. My concern was regarding the repairing of avast and not the uninstallation process. When a user uses the repair option to repair avast, is it suppose to uninstall/reinstall the avast program? If not, then i dont understand how to repair avast. When i selected repair, my system informed me that avast was not uninstalled correctly. This made no sense. I do not want to uninstall avast but only initiate a “repairing” option. I will try this in safe mode as suggested but hope i will not have to reinstall.
By the way, when a user uninstalls avast and has a paid version, can they just reinstall/download it again? Do they need to reenter the license key?
- Yes.
- Yes.